diagnosis code 43: SRS warning lamp circuit open-circuited (Lamp does not Switch Off.)

• Power for the SRS warning lamp is supplied from the ignition switch (IG1) circuit.
  
• The SRS warning lamp illuminates when the ignition switch is turned to the "ON" position and goes out after approximately 7 seconds if there is not a malfunction in the SRS system.
  

• This diagnosis code will be set if an open circuit has occurred in the wiring harness between the SRS warning lamp and the SRS-ECU. However, if the vehicle condition returns to normal, diagnosis code 43 will be automatically erased, and the SRS warning lamp will go out.
  

• Damaged wiring harnesses of connectors
  
• Malfunction of the SRS-ECU
  
• Malfunction of the combination meter
  

Use M.U.T.-III to perform the combination meter actuator tests (Refer to GROUP 54A - Combination meter, actuator test reference table ).

	Go to Step 2.

	Replace the combination meter (Refer to GROUP 54A, Combination Meters Assembly ).

Q. Is the check result normal? Go to Step 3. Repair the harness wire between SRS-ECU connector C-147 (terminal No.18) and combination meter connector C-02 (terminal No.33).

	Replace the SRS-ECU (Refer to ).

	An intermittent malfunction is suspected (Refer to GROUP 00, How to Use Troubleshooting/Inspection Service Points ).